diff --git a/src/xrpld/app/ledger/detail/InboundLedgers.cpp b/src/xrpld/app/ledger/detail/InboundLedgers.cpp
index 8d43e191240..2995830dd46 100644
--- a/src/xrpld/app/ledger/detail/InboundLedgers.cpp
+++ b/src/xrpld/app/ledger/detail/InboundLedgers.cpp
@@ -369,6 +369,7 @@ class InboundLedgersImp : public InboundLedgers
             JLOG(j_.debug()) << "InboundLedgers lock7";
             ScopedLockType sl(mLock);
             JLOG(j_.debug()) << "InboundLedgers locked7";
+            JLOG(j_.debug()) << "InboundLedgers size " << mLedgers.size();
 
             acquires.reserve(mLedgers.size());
             for (auto const& it : mLedgers)